What does it mean to call someone a sweater?

Calling someone a "sweater" typically implies that the person is warm, comforting, or nurturing, much like a cozy sweater. It can also suggest that they have a soft and approachable personality. In some contexts, it might be used humorously or affectionately to describe someone who is overly sentimental or emotional. However, the meaning can vary depending on the context and tone in which it's used.